On Mon, 12 Sep 2011 12:57:25 +0200 Johannes Weiner <jweiner@xxxxxxxxxx> wrote: > The global per-zone LRU lists are about to go away on memcg-enabled > kernels, global reclaim must be able to find its pages on the > per-memcg LRU lists. > > Since the LRU pages of a zone are distributed over all existing memory > cgroups, a scan target for a zone is complete when all memory cgroups > are scanned for their proportional share of a zone's memory. > > The forced scanning of small scan targets from kswapd is limited to > zones marked unreclaimable, otherwise kswapd can quickly overreclaim > by force-scanning the LRU lists of multiple memory cgroups. > > Signed-off-by: Johannes Weiner <jweiner@xxxxxxxxxx> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>